sfHover = function() 
{
	var sfEls = document.getElementById("horizontaal_navigatie").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) 
	{
		sfEls[i].onmouseover=function() 
		{
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() 
		{
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function setActive( sLink )
{
	var objTopnavigatie = document.getElementById("horizontaal_navigatie").getElementsByTagName("A");
	for (var i=0; i<objTopnavigatie.length; i++) 
	{
		if( objTopnavigatie[i].innerHTML == sLink )
		{
			objTopnavigatie[i].className = 'actief';
		}
		else
		{
			objTopnavigatie[i].className = '';
		}
	}
}
function treemenu(obj){
	if(document.getElementById('submenu_'+obj).style.display == 'none') {
		for(var i=0;i<=99;i++){
			if(document.getElementById('submenu_'+i)){
				document.getElementById('submenu_'+i).style.display = 'none';
				document.getElementById('item_'+i).className = 'pagina';
				document.getElementById('status_'+obj).src = '../images/icon_plus.gif';
			}
		}
		document.getElementById('submenu_'+obj).style.display = 'block';
		document.getElementById('item_'+obj).className = 'pagina_active';
		document.getElementById('status_'+obj).src = '../images/icon_min.gif';
	}
	else {
		document.getElementById('submenu_'+obj).style.display = 'none';
		document.getElementById('item_'+obj).className = 'pagina';
		document.getElementById('status_'+obj).src = '../images/icon_plus.gif';
	}
}